公开(公告)号：US20250167208A1

公开(公告)日：2025-05-22

申请号：US19034277

申请日：2025-01-22

Applicant: BYD COMPANY LIMITED

Inventor： Yadong Zhang ,  Xiaoqiang Yin ,  Lina Jin ,  Xiangyu Li

IPC: H01M4/136 ,  H01M4/58 ,  H01M10/0562

Abstract: Battery materials and preparation methods therefor, and secondary batteries. The general molecular formula of a battery material may include A3V2-xEx(P1-yMyO4)3, wherein the element A represents an alkali metal element; the element E represents a doping element that substitutes for V, and comprises at least one of transition metal elements, rare earth elements, Mg and Sr; the element M represents a doping element that substitutes for P, and comprises at least one of S and Se; and 0≤x≤1, and 0

公开(公告)号：US20150171466A1

公开(公告)日：2015-06-18

申请号：US14414868

申请日：2013-08-18

Applicant: BYD Company Limited

Inventor： Jun Shan ,  Ronghua Liu ,  Lina Jin

IPC: H01M10/0565 ,  H01M10/058

CPC classification number: H01M10/0565 ,  C08F220/18 ,  H01M10/0525 ,  H01M10/058 ,  H01M2300/0082 ,  Y02E60/122 ,  Y10T29/4911

Abstract: A gel polymer composite electrolyte, a polymer lithium ion battery comprising the gel polymer composite electrolyte and methods of preparing the polymer lithium ion battery are provided. The gel polymer composite electrolyte is formed by swelling after a polymer membrane absorbs an electrolyte, wherein the polymer membrane is formed by thermocuring a polymer mixture comprising an acrylic emulsion, water and ammonia water, and the acrylic emulsion has a glass transition temperature ranging from about −30° C. to about 50° C.

Abstract translation: 提供了一种凝胶聚合物复合电解质，包含凝胶聚合物复合电解质的聚合物锂离子电池和制备聚合物锂离子电池的方法。 凝胶聚合物复合电解质是在聚合物膜吸收电解质之后通过溶胀形成的，其中聚合物膜是通过热固化包含丙烯酸乳液，水和氨水的聚合物混合物形成的，丙烯酸乳液的玻璃化转变温度范围为约 -30℃至约50℃

公开(公告)号：US11824225B2

公开(公告)日：2023-11-21

申请号：US16967398

申请日：2019-01-31

Applicant: BYD COMPANY LIMITED

Inventor： Lina Jin ,  Bowen Xuan ,  Xiaodong Cao ,  Jinxiang Wu ,  Jun Shan ,  Gang Hu ,  Long He

IPC: H01M50/414 ,  H01M50/403 ,  H01M50/457 ,  H01M50/446 ,  H01M50/451 ,  H01M50/434 ,  H01M50/489 ,  H01M50/443 ,  H01M50/426 ,  H01M50/42 ,  H01M10/0525

CPC classification number: H01M50/414 ,  H01M50/403 ,  H01M50/42 ,  H01M50/426 ,  H01M50/434 ,  H01M50/443 ,  H01M50/446 ,  H01M50/451 ,  H01M50/457 ,  H01M50/489 ,  H01M10/0525

Abstract: The present disclosure provides a polymer separator and preparation method thereof, and a lithium-ion battery including the polymer separator and preparation method thereof. The polymer separator includes a porous substrate, a hydrophilic blocking layer, and a porous polar polymer bonding layer. The hydrophilic blocking layer is disposed between the porous substrate and the porous polar polymer bonding layer. Pore walls in the porous polar polymer bonding layer are provided with node structures.

公开(公告)号：US09647293B2

公开(公告)日：2017-05-09

申请号：US14414868

申请日：2013-08-28

Applicant: BYD Company Limited

Inventor： Jun Shan ,  Ronghua Liu ,  Lina Jin

IPC: H01M6/14 ,  H01M10/0565 ,  H01M10/0525 ,  H01M10/058 ,  C08F220/18

CPC classification number: H01M10/0565 ,  C08F220/18 ,  H01M10/0525 ,  H01M10/058 ,  H01M2300/0082 ,  Y02E60/122 ,  Y10T29/4911

Abstract: A gel polymer composite electrolyte, a polymer lithium ion battery comprising the gel polymer composite electrolyte and methods of preparing the polymer lithium ion battery are provided. The gel polymer composite electrolyte is formed by swelling after a polymer membrane absorbs an electrolyte, wherein the polymer membrane is formed by thermocuring a polymer mixture comprising an acrylic emulsion, water and ammonia water, and the acrylic emulsion has a glass transition temperature ranging from about −30° C. to about 50° C.